Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Advanced Java (552)
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Servlets (804)
Struts (701)
JDBC (771)
JMS (324)

SunOne (10)
J2EE (485)
Weblogic (694)
Websphere (573)

Java J2EE Interview Questions

Questions Answers Views Company eMail

Why hibernate and how does it help in the programming?

392

What is the difference between load() and get() method?

429

What are the tags that are importantly used in hibernate configuration file?

414

How components are used in hibernate?

395

How does hibernate help in the programming?

349

What is the difference between merge and update method?

508

What are the different types of interfaces present in hibernate?

379

What is the difference between managed and non-managed environment in hibernate?

493

Which settings will be loaded if both hibernate.properties and hibernat.cf.xml files are present in the classpath?

384

How does hibernate useful in mapping object and its relations?

369

What is the process of communication between hibernate with rdbms?

361

What is the role of session interface in hibernate?

449

How do you implement one to one relationship in hibernate with java annotation?

546

Write the code that maps the java object with the database tables?

466

What is the role played by sessionfactory interface in hibernate?

366

Un-Answered Questions { Java J2EE }

What is a singleton factory?

971

Can we deploy jar in weblogic?

1017

What is the difference between method overriding and overloading?

1249

What is the memory leak in java?

1053

When should I use multicast subscribers? : BEA Weblogic

1006

Explain the advantages and disadvantages of detached objects.

1039

What is a spring application context?

454

What is mnemonic in assembly language?

1085

How to insert date in database using hibernate?

558

What are the uses of synchronized keyword?

1013

What is bootup process?

999

Why does executing the preparedstatement class cause a trunc fails: ora-00932: inconsistent datatypes error? : BEA Weblogic

1035

How does hashset work in java?

1138

Write the basic requirement of a cmp entity based class in 2.0 from ejb 1.1?

1031

What does the jdbc resultset interface?

983

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